Merge pull request #6647 from litherum/FONT_PALETTE_VALUES_RULE

[css-fonts] [css-device-adapt] [palettes] FONT_PALETTE_VALUES_RULE conflicts with VIEWPORT_RULE

Author: svgeesus

css-fonts-4/Overview.bs

@@ -6846,11 +6846,7 @@ a single value.
 
 <h3 id="om-fontpalettevalues">
 The <code id="cssfontpalettevaluesrule2">CSSFontPaletteValuesRule</code> interface</h3>
-<pre class='idl'>partial interface CSSRule {
-  const unsigned short FONT_PALETTE_VALUES_RULE = 15;
-};
-
-[Exposed=Window]
+<pre class='idl'>[Exposed=Window]
 interface CSSFontPaletteValuesRule : CSSRule {
   maplike&lt;unsigned long, CSSOMString>;
   attribute CSSOMString fontFamily;